US11719757B2 - Fault recognition - Google Patents

Fault recognition Download PDF

Info

Publication number
US11719757B2
US11719757B2 US17/287,330 US201917287330A US11719757B2 US 11719757 B2 US11719757 B2 US 11719757B2 US 201917287330 A US201917287330 A US 201917287330A US 11719757 B2 US11719757 B2 US 11719757B2
Authority
US
United States
Prior art keywords
psu
threshold
voltage value
detector
failure occurs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active, expires
Application number
US17/287,330
Other languages
English (en)
Other versions
US20210356530A1 (en
Inventor
Ping Yang
Chunxi Yan
Muzi ZHOU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
New H3C Technologies Co Ltd
Original Assignee
New H3C Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by New H3C Technologies Co Ltd filed Critical New H3C Technologies Co Ltd
Assigned to NEW H3C TECHNOLOGIES CO., LTD. reassignment NEW H3C TECHNOLOGIES CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: YAN, CHUNXI, YANG, PING, ZHOU, Muzi
Publication of US20210356530A1 publication Critical patent/US20210356530A1/en
Application granted granted Critical
Publication of US11719757B2 publication Critical patent/US11719757B2/en
Active legal-status Critical Current
Adjusted expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/40—Testing power supplies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/26—Testing of individual semiconductor devices
    • G01R31/2607—Circuits therefor
    • G01R31/2632—Circuits therefor for testing diodes
    • G01R31/2633—Circuits therefor for testing diodes for measuring switching properties thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/263—Arrangements for using multiple switchable power supplies, e.g. battery and AC
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/30—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/185—Electrical failure alarms
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/54—Testing for continuity

Definitions

  • a communication apparatus such as a network switch, a router or a server, generally includes a Power Supply Unit (PSU).
  • the PSU is a device for converting a voltage from an external power supply system into a voltage desired by different components inside the communication apparatus.
  • a large number of the communication apparatuses may be connected to a same Power Distribution Unit (PDU).
  • the PDU may be connected with the external power supply system through an air circuit breaker (also known as an air switch).
  • FIG. 1 is a schematic diagram illustrating a connection among communication apparatuses.
  • FIG. 2 is a structural diagram illustrating a fault identification apparatus according to an example of the present disclosure.
  • FIG. 3 is a structural diagram illustrating a fault identification apparatus according to another example of the present disclosure.
  • FIG. 4 is a structural diagram illustrating a fault identification apparatus according to still another example of the present disclosure.
  • FIG. 5 is a structural diagram illustrating a PSU inside a communication apparatus according to an example of the present disclosure.
  • FIG. 6 is a schematic diagram illustrating an equivalent circuit of a PSU according to an example of the present disclosure.
  • FIG. 7 is a schematic diagram illustrating a connection between a fault identification apparatus and a PSU according to an example of the present disclosure.
  • FIG. 8 is a schematic diagram illustrating an equivalent circuit of a PSU according to another example of the present disclosure.
  • FIG. 9 is a schematic diagram illustrating a connection between a fault identification apparatus and a PSU according to another example of the present disclosure.
  • FIG. 10 is a schematic diagram illustrating an equivalent circuit of a PSU according to still another example of the present disclosure.
  • FIG. 11 is a schematic diagram illustrating a connection between a fault identification apparatus and a PSU according to still another example of the present disclosure.
  • FIG. 12 is a structural diagram illustrating a fault identification apparatus according to yet another example of the present disclosure.
  • FIG. 13 is a structural diagram illustrating a fault identification apparatus according to yet another example of the present disclosure.
  • first, second, third, and the like may be used in the present disclosure to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one category of information from another. For example, without departing from the scope of the present disclosure, first information may be referred as second information; and similarly, second information may also be referred as first information.
  • word “if” as used herein may be interpreted as “when” or “upon” or “in response to determining”.
  • an alternating current is connected with a PDU through an air switch.
  • the PDU includes a plurality of socket interfaces, such as socket 1 , socket 2 , . . . and socket n.
  • the PDU may be connected with a plurality of communication apparatuses, such as communication apparatus 1 , communication apparatus 2 , . . . and communication apparatus n.
  • a PSU 1 of the communication apparatus 1 is connected with the socket 1 of the PDU
  • a PSU 2 of the communication apparatus 2 is connected with the socket 2 of the PDU
  • . . . and a PSU n of the communication apparatus n is connected with the socket n of the PDU.
  • the fault identification apparatus may include but not limited: a Direct Current (DC) power source, a resistor, a detector, and a plug interface connected with the detector.
  • the plug interface may include a first measuring terminal and a second measuring terminal.
  • FIG. 2 is a structural diagram of the fault identification apparatus. As shown in FIG. 2 , a positive pole 211 of a DC power source 21 is connected with a first end 221 of a resistor 22 , a second end 222 of the resistor 22 is connected with a first measuring terminal 23 , and a negative pole 212 of the DC power source 21 is connected with a second measuring terminal 24 .
  • an input pin (e.g., an input end) 251 of a detector 25 may be connected with the first measuring terminal 23 and a ground pin (e.g., a ground end) 252 of the detector 25 is connected with the second measuring terminal 24 .
  • the DC power source 21 may be composed of a plurality of lithium ion batteries or a plurality of dry batteries which are connected in series.
  • a voltage value of the DC power source 21 may be adjusted to, for example, 5 Volts (V) or another voltage value, which is not limited herein.
  • the resistor 22 may include one resistor or two resistors connected in series or a plurality of resistors connected in series, which is not limited herein.
  • the resistor 22 may include a current-limiting resistor and an adjustable resistor connected in series. Resistance values of the current-limiting resistor and the adjustable resistor can be adjustable, which are not limited herein.
  • the detector 25 may include but not limited to a microcontroller, and the type of the detector 25 is not limited.
  • the detector 25 is used for implementing functions such as signal detection, service processing, and signal output.
  • the first measuring terminal 23 and the second measuring terminal 24 are two measuring terminals of the fault identification apparatus, which are used to be connected with a first end (for example, a live wire of alternating current input, i.e., L wire terminal) and a second end (for example, a neutral wire of alternating current input, i.e., N wire terminal) of a PSU of a communication apparatus under test respectively.
  • a first end for example, a live wire of alternating current input, i.e., L wire terminal
  • a second end for example, a neutral wire of alternating current input, i.e., N wire terminal
  • the first measuring terminal 23 is connected with the first end of the PSU and the second measuring terminal 24 is connected with the second end of the PSU.
  • the first measuring terminal 23 is connected with the first end of the PSU of the communication apparatus A and the second measuring terminal 24 is connected with the second end of the PSU of the communication apparatus A.
  • the first measuring terminal 23 is connected with a first end of a PSU of the communication apparatus B and the second measuring terminal 24 is connected with a second end of the PSU of the communication apparatus B.
  • the fault identification apparatus may be a handheld apparatus, including a handle portion 31 and a plug interface 32 .
  • a connection between a PSU of a communication apparatus under test and a PDU can be firstly terminated, and then the plug interface 32 is directly inserted into the PSU of the communication apparatus under test.
  • the first measuring terminal 23 is connected with the first end of the PSU of the communication apparatus and the second measuring terminal 24 is connected with the second end of the PSU of the communication apparatus.
  • the plug interface may be an interface conforming to the regulation of International Electrotechnical Commission (IEC) and may also be another type of interface, which is not limited herein.
  • IEC International Electrotechnical Commission
  • the fault identification apparatus may include a switch 26 .
  • the type of the switch 26 is not limited herein and therefore the switch may be any type of switch.
  • a first end 261 of the switch 26 is connected with the positive pole 211 of the DC power source 21 and a second end 262 of the switch 26 is connected with the first end 221 of the resistor 22 .
  • the switch 26 When no fault identification is performed for the PSU, the switch 26 may be turned off. In this way, the DC power source 21 and the resistor 22 are in an off state and the fault identification apparatus is in a non-working state.
  • the switch 26 When fault identification is performed for the PSU, the switch 26 is turned on. In this way, the DC power source 21 and the resistor 22 are in an on state and the fault identification apparatus is in a working state.
  • the switch 26 may also be located on another portion of the fault identification apparatus.
  • the switch 26 may be located between the resistor 22 and the input pin 251 of the detector 25 or located between the ground pin 252 of the detector 25 and the DC power source 21 .
  • the position of the switch is not limited in the present disclosure.
  • the number of the switches may be configured according to actual needs, for example, a plurality of switches are configured, which is not limited herein.
  • the detector 25 is configured to obtain a voltage value between the first measuring terminal 23 and the second measuring terminal 24 , and determine whether the PSU of the communication apparatus under test fails based on the voltage value.
  • the detector 25 may determine that the PSU does not fail, where the second threshold is greater than the first threshold.
  • the detector 25 may determine that the PSU fails. Alternatively, if the voltage value is greater than the second threshold, the detector 25 may determine that the PSU fails.
  • the detector 25 may determine that a short circuit failure occurs to the PSU. If the voltage value is greater than the second threshold, the detector 25 may determine that an open circuit failure occurs to the PSU.
  • FIG. 5 is a structural diagram illustrating a PSU inside a communication apparatus.
  • the PSU is merely an example in which an ordinary PSU is equivalently simplified. In an actual application, the PSU has a more complex structure, which is not limited herein.
  • a terminal of the live wire (i.e., L wire) of the PSU may be the first end of the PSU and a terminal of the neutral wire (i.e., N wire) of the PSU may be the second end of the PSU.
  • the first measuring terminal 23 is connected with the L wire terminal of the PSU and the second measuring terminal 24 is connected with the N wire terminal of the PSU.
  • the PSU may also include a fuse F 1 , an equivalent resistor R 1 , an equivalent capacitor C 1 (for example, electrolytic capacitor C 1 ), a Metal Oxide Semiconductor Field Effect Transistor (MOSFET) Q 1 as a switch, and four diodes (for example, a diode D 1 , a diode D 2 , a diode D 3 , and a diode D 4 ). Connection relationships and functions of these components can be referred to a conventional PSU, which will not be described herein.
  • a fuse F 1 an equivalent resistor R 1
  • an equivalent capacitor C 1 for example, electrolytic capacitor C 1
  • MOSFET Metal Oxide Semiconductor Field Effect Transistor
  • FIG. 5 shows an equivalent circuit of a PSU in a normal state.
  • U 1 U 0 *Ra/(Ra+Rb).
  • U 1 refers to a voltage value between the input pin 251 and the ground pin 252 of the detector 25 , that is, the voltage value between the first measuring terminal 23 and the second measuring terminal 24 .
  • U 0 refers to a voltage value of the DC power source 21 , for example, 5 V.
  • a value of Ra is equal to a resistance value of the equivalent resistor R 1 of the PSU.
  • Rb refers to a resistance value of the resistor 22 of the fault identification apparatus. The resistance value of Rb may be set according to experiences, which is not limited herein.
  • the U 1 can be determined by using U 0 , Ra and Rb. Considering the values of the Ra and the Rb are variable, the U 1 is not a unique value.
  • a voltage range may be set and the U 1 is within the voltage range.
  • the voltage range may be [first threshold, second threshold].
  • the PSU does not fail, the U 1 is within the voltage range [first threshold, second threshold].
  • the detector 25 detects the voltage value U 1 between the first measuring terminal 23 and the second measuring terminal 24 . If the voltage value U 1 is within the voltage range [first threshold, second threshold], that is, the voltage value U 1 is equal to or greater than the first threshold and less than or equal to the second threshold, the detector 25 determines that the PSU does not fail.
  • the first threshold and the second threshold may be configured according to experiences.
  • the first threshold may be a voltage value indicating a short circuit failure and the second threshold may be a voltage value indicating an open circuit failure.
  • the first threshold may be 1.5 V and the second threshold may be 4.5 V.
  • the first threshold and the second threshold here are merely examples.
  • the first threshold may also be 2 V and the second threshold may also be 5 V.
  • the thresholds are not limited as long as the first threshold indicates the short circuit failure and the second threshold indicates the open circuit failure.
  • the detector 25 may determine that the short circuit failure occurs to the PSU of the communication apparatus under test fails.
  • the detector 25 may determine that the open circuit failure occurs to the PSU of the communication apparatus under test.
  • the PSU shown in FIG. 5 may be equivalent to the PSU shown in FIG. 8 , that is, FIG. 8 shows an equivalent circuit of a PSU in a short circuit failure.
  • the voltage value U 0 of the DC power source 21 is greater than a sum of a forward voltage of the diode D 1 and a forward voltage of the diode D 2 .
  • both the diode D 1 and the diode D 2 are conducted.
  • U 1 Ua+Ub.
  • U 1 refers to the voltage value between the input pin 251 and the ground pin 252 of the detector 25 , that is, the voltage value between the first measuring terminal 23 and the second measuring terminal 24 .
  • Ua refers to a voltage value across the diode D 1
  • Ub refers to a voltage value across the diode D 2 .
  • the U 1 may be determined by using the voltage values of the diode D 1 and the diode D 2 .
  • the U 1 is a voltage value less than the first threshold.
  • the detector 25 detects the voltage value U 1 between the first measuring terminal 23 and the second measuring terminal 24 . If the voltage value U 1 is less than the first threshold (for example, 1.5 V), the detector 25 determines that the short circuit failure occurs to the PSU of the communication apparatus under test.
  • the first threshold for example, 1.5 V
  • FIG. 5 may be equivalent to the PSU shown in FIG. 10 , that is, FIG. 10 shows an equivalent circuit of a PSU in an open circuit failure.
  • U 1 may be equal to the voltage value U 0 of the DC power source 21 .
  • U 1 refers to a voltage value between the input pin 251 and the ground pin 252 of the detector 25 , that is, the voltage value between the first measuring terminal 23 and the second measuring terminal 24 . Therefore, the detector 25 may determine U 1 by using the voltage value U 0 of the DC power source 2 , and U 1 can be a voltage value greater than the second threshold.
  • the detector 25 detects the voltage value U 1 between the first measuring terminal 23 and the second measuring terminal 24 . If the voltage value U 1 is greater than the second threshold (for example, 4.5 V), the detector 25 determines that the open circuit failure occurs to the PSU of the communication apparatus under test.
  • the second threshold for example, 4.5 V
  • the detector 25 detects the voltage value U 1 between the first measuring terminal 23 and the second measuring terminal 24 . If the voltage value U 1 is within the voltage range [first threshold, second threshold], the detector 25 may determine no failure occurs to the PSU of the communication apparatus under test. If the voltage value U 1 is less than the first threshold, the detector 25 may determine that the short circuit failure occurs to the PSU of the communication apparatus under test. If the voltage value U 1 is greater than the second threshold, the detector 25 may determine that the open circuit failure occurs to the PSU of the communication apparatus under test.
  • the fault identification apparatus may further include a light emitting diode 27 .
  • a first output pin (e.g., a first output end) 253 of the detector 25 is connected with a positive pole of the light emitting diode 27 and a negative pole of the light emitting diode 27 is connected with the ground end.
  • the detector 25 Based on this, if the voltage value U 1 is greater than or equal to the first threshold and less than or equal to the second threshold, the detector 25 outputs a first signal.
  • the light emitting diode 27 displays a first color based on the first signal. For example, the first signal may drive the light emitting diode 27 to display the first color. The first color is used to indicate no failure of the PSU.
  • the detector 25 If the voltage value U 1 is less than the first threshold, the detector 25 outputs a second signal.
  • the light emitting diode 27 displays a second color based on the second signal. For example, the second signal may drive the light emitting diode 27 to display the second color. The second color is used to indicate the short circuit failure of the PSU.
  • the detector 25 If the voltage value U 1 is greater than the second threshold, the detector 25 outputs a third signal.
  • the light emitting diode 27 displays a third color based on the third signal.
  • the third signal may drive the light emitting diode 27 to display the third color.
  • the third color is used to indicate the open circuit failure of the PSU.
  • the first output pin may indicate one pin and may also indicate a plurality of pins forming a bus, and the fault identification apparatus may be connected with the light emitting diode 27 through the bus.
  • the first color may be a green color. That is, when the light emitting diode 27 lights up in green, it means no failure occurs to the PSU.
  • the second color may be a red color. That is, when the light emitting diode 27 lights up in red, it means the short circuit failure occurs to the PSU.
  • the third color may be a yellow color. That is, when the light emitting diode 27 lights up in yellow, it means the open circuit failure occurs to the PSU.
  • the above light emitting diode 27 may be a tri-color light emitting diode. That is, the light emitting diode 27 may display green, or red or yellow, which is not limited herein.
  • the fault identification apparatus may further include a current-limiting resistor.
  • the current-limiting resistor is connected between the first output pin of the detector 25 and the positive pole of the light emitting diode 27 .
  • the fault identification apparatus may further include a light emitting diode L 1 , a light emitting diode L 2 , and a light emitting diode L 3 .
  • the light emitting diode L 1 may display red
  • the light emitting diode L 2 may display yellow
  • the light emitting diode L 3 may display green.
  • the detector 25 is connected with the light emitting diode L 1 , the light emitting diode L 2 , and the light emitting diode L 3 through an output pin 254 , an output pin 255 and an output pin 256 respectively.
  • the detector 25 may output a signal to the light emitting diode L 3 .
  • the signal is used to drive the light emitting diode L 3 to turn on, which indicates no failure occurs to the PSU.
  • the detector 25 may output a signal to the light emitting diode L 1 .
  • the signal is used to drive the light emitting diode L 1 to turn on, which indicates that the short circuit failure occurs to the PSU.
  • the detector 25 may output a signal to the light emitting diode L 2 .
  • the signal is used to drive the light emitting diode L 2 to turn on, which indicates the open circuit occurs to the PSU.
  • the fault identification apparatus may further include a current-limiting resistor r 1 , a current-limiting resistor r 2 and a current-limiting resistor r 3 .
  • the current-limiting resistor r 1 is connected between the positive pole of the light emitting diode L 1 and the output pin 254 of the detector 25
  • the current-limiting resistor r 2 is connected between the positive pole of the light emitting diode L 2 and the output pin 255 of the detector 25
  • the current-limiting resistor r 3 is connected between the positive pole of the light emitting diode L 3 and the output pin 256 of the detector 25 .
  • the fault identification apparatus may further include an audio alarm component (not shown).
  • a second output pin (e.g., the second output end) of the detector 25 may be connected with the audio alarm component. Based on this, if the voltage value U 1 is greater than or equal to the first threshold and less than or equal to the second threshold, the detector 25 does not output a signal. In this way, the alarm component will not raise an alarm, which indicates no failure occurs to the PSU. If the voltage value U 1 is less than the first threshold, or the voltage value U 1 is greater than the second threshold, the detector 25 may output a fourth signal. The audio alarm component may raise the alarm based on the fourth signal. For example, the fourth signal may drive the audio alarm component to raise the alarm, which indicates a failure occurs to the PSU. It is noted that the second output pin may indicate one pin or a plurality of pins forming a bus, and the fault identification apparatus may be connected with the audio alarm component through the bus.
  • the fault identification apparatus may further include a display component (not shown).
  • a third output pin (e.g., the third output end) of the detector 25 may be connected with the display component. Based on this, if the voltage value U 1 is greater than or equal to the first threshold and less than or equal to the second threshold, the detector 25 may output a fifth signal.
  • the display component may display a first value based on the fifth signal.
  • the fifth signal may drive the display component to display the first value.
  • the first value may be used to indicate no failure of the PSU.
  • the detector 25 may output a sixth signal.
  • the display component may display a second value based on the sixth signal. For example, the sixth signal may drive the display component to display the second value.
  • the second value is used to indicate the short circuit failure occurs to the PSU. If the voltage value U 1 is greater than the second threshold, the detector 25 may output a seventh signal.
  • the display component may display a third value based on the seventh signal. For example, the seventh signal may drive the display component to display the third value.
  • the third value may be used to indicate the open circuit failure occurs to the PSU. It is noted that the third output pin may indicate one pin or a plurality of pins forming a bus, and the fault identification apparatus may be connected with the display component through the bus.
  • which communication apparatus fails can be effectively determined by the fault identification apparatus without normally powering the communication apparatus.
  • the maintenance personnel can quickly determine a failed communication apparatus and then perform processing for the failed communication apparatus, thereby improving service guarantee capability and working efficiency.
  • the examples of the present disclosure may be provided as a method, a system, or a computer program product.
  • entire hardware examples, entire software examples or examples combining software and hardware may be adopted in the present disclosure.
  • the present disclosure may be implemented in the form of a computer program product that is operated on one or more computer available storage media (including but not limited to magnetic disk memory, CD-ROM, and optical memory and so on) including computer available program codes.
  • These computer program instructions may be provided to a general-purpose computer, a dedicated computer, an embedded processor, or a processor of another programmable data processing device to generate a machine so that the instructions executable by a computer or a processor of another programmable data processing device generate an apparatus for implementing functions designated in one or more flows of the flowcharts and/or one or more blocks of the block diagrams.
  • these computer program instructions may also be stored in a computer readable memory that can direct a computer or another programmable data processing device to work in a particular manner so that the instructions stored in the computer readable memory generate a product including an instruction apparatus and the instruction apparatus can implement functions designated in one or more flows of the flowcharts and/or one or more blocks of the block diagrams.
  • the computer program instructions may also be loaded on a computer or another programmable data processing devices, so that a series of operation blocks can be executed on the computer or another programmable device to generate processing achieved by the computer, and thus instructions executable on the computer or another programmable device are provided for blocks for realizing functions designated in one or more flows of the flowcharts and/or one or more blocks of the block diagrams.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
US17/287,330 2018-10-24 2019-10-14 Fault recognition Active 2040-03-20 US11719757B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201811244607.9A CN110488205B (zh) 2018-10-24 2018-10-24 一种故障识别装置
CN201811244607.9 2018-10-24
PCT/CN2019/111020 WO2020083061A1 (zh) 2018-10-24 2019-10-14 故障识别

Publications (2)

Publication Number Publication Date
US20210356530A1 US20210356530A1 (en) 2021-11-18
US11719757B2 true US11719757B2 (en) 2023-08-08

Family

ID=68545750

Family Applications (1)

Application Number Title Priority Date Filing Date
US17/287,330 Active 2040-03-20 US11719757B2 (en) 2018-10-24 2019-10-14 Fault recognition

Country Status (5)

Country Link
US (1) US11719757B2 (zh)
EP (1) EP3872510B1 (zh)
JP (1) JP7220282B2 (zh)
CN (1) CN110488205B (zh)
WO (1) WO2020083061A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11474582B2 (en) * 2020-02-14 2022-10-18 International Business Machines Corporation Automated validation of power topology via power state transitioning
US11514771B2 (en) * 2020-07-08 2022-11-29 Consolidated Edison Company Of Newyork, Inc. Multimodal voltage test device and method of operation

Citations (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2645753A (en) * 1948-10-01 1953-07-14 Dutschke Kurt Test device
US3551804A (en) * 1968-10-28 1970-12-29 Vernon W Weddle Method and apparatus for sonic detection of open breaks in overhead telephone cables
JPS4854519U (zh) 1971-10-21 1973-07-13
US4333049A (en) 1979-05-21 1982-06-01 Takamisawa Cybernetics Co., Ltd. Inrush current measuring apparatus with instantaneous power interruption device
JPH0270223A (ja) 1988-09-01 1990-03-09 Fujitsu Ltd 電源警報回路
JP2001352674A (ja) 2000-06-08 2001-12-21 Nec Corp 電源回路
CN2519288Y (zh) 2001-12-05 2002-10-30 刘英彰 电源供应器的测试治具
CN101144851A (zh) 2006-09-13 2008-03-19 鸿富锦精密工业（深圳）有限公司 电源供应器检测装置
US20080112099A1 (en) * 2006-11-14 2008-05-15 Shanghai Ele Manufacturing Corp. ground-fault circuit interrupter
CN101464499A (zh) 2009-01-14 2009-06-24 浪潮电子信息产业股份有限公司 一种具有声光报警的计算机电源的设计方法
TW201020564A (en) 2008-11-18 2010-06-01 Weltrend Semiconductor Inc Short-circuit detecting device for a power supply device
CN102073020A (zh) 2009-11-19 2011-05-25 鸿富锦精密工业（深圳）有限公司 电源测试装置
US7952488B1 (en) 2008-10-31 2011-05-31 Netapp, Inc. Method and system for monitoring latent faults in power supplies
CN102129047A (zh) 2010-01-18 2011-07-20 鸿富锦精密工业（深圳）有限公司 电源供应器测试装置
CN102375128A (zh) 2010-08-02 2012-03-14 康舒科技股份有限公司 服务器电源供应***的异常检测方法及装置
US8461492B1 (en) * 2008-12-11 2013-06-11 Ciriaco N. Briones, Jr. Emergency shut-off system for a cooking appliance and method of use thereof
CN103163488A (zh) 2011-12-17 2013-06-19 鸿富锦精密工业（深圳）有限公司 电压测试装置
WO2013128851A1 (ja) 2012-02-29 2013-09-06 パナソニック株式会社 車載用充電装置
US20130249576A1 (en) 2012-03-22 2013-09-26 Hon Hai Precision Industry Co., Ltd. Power supply unit testing system
CN103529403A (zh) 2012-07-03 2014-01-22 伊顿公司 一种指示ups状态的方法和装置
CN103718055A (zh) 2011-07-28 2014-04-09 伊顿公司 用于使用ac剩余电流检测在dc电源中进行故障检测的***和装置
CN103901355A (zh) 2012-12-29 2014-07-02 鸿富锦精密工业（深圳）有限公司 电源测试电路
US20140253101A1 (en) 2013-03-06 2014-09-11 Shiguo Luo System and method of measuring real-time current
JP2014211382A (ja) 2013-04-19 2014-11-13 株式会社ハイレックスコーポレーション センサ装置
CN104198852A (zh) 2014-08-28 2014-12-10 成都凯天电子股份有限公司 综合记录器测试***
JP2015035849A (ja) 2013-08-07 2015-02-19 日産自動車株式会社 電源装置
US20150067378A1 (en) 2013-08-30 2015-03-05 Fujitsu Limited Measuring apparatus, measuring method, and measuring system
CN104735591A (zh) 2015-03-30 2015-06-24 天地融科技股份有限公司 音频接口适配电路与电子装置
US20150372416A1 (en) * 2014-06-20 2015-12-24 Icon Health & Fitness, Inc. Adapter with an Electronic Filtering System
CN105488927A (zh) 2016-01-18 2016-04-13 深圳市共济科技有限公司 一种微模块机房的声光报警装置及其***
KR101625919B1 (ko) 2014-11-24 2016-05-31 삼성중공업 주식회사 전력변환장치의 시험장치
CN105867572A (zh) 2016-04-26 2016-08-17 浪潮(北京)电子信息产业有限公司 一种整机柜服务器电源管理方法及整机柜服务器
CN205679718U (zh) 2016-06-17 2016-11-09 成都航利电气有限公司 发动机电缆故障诊断***
CN106292986A (zh) 2016-08-08 2017-01-04 浪潮电子信息产业股份有限公司 一种服务器电源psu故障确定方法及装置
CN106776169A (zh) 2016-12-12 2017-05-31 郑州云海信息技术有限公司 一种测试服务器的psu的方法及装置
US20170153294A1 (en) 2015-12-01 2017-06-01 Dell Products, L.P. Safety-compliant psu fault diagnosis mechanism to reduce psu field returns
CN106950511A (zh) 2017-03-31 2017-07-14 国家电网公司 一种直流电源***标准化测试接口装置
US20170205471A1 (en) 2016-01-20 2017-07-20 Test Research, Inc. Test device and alternating current power detection method of the same
CN107092334A (zh) 2017-04-21 2017-08-25 广东浪潮大数据研究有限公司 一种服务器电源装置故障定位的方法
CN107219402A (zh) 2017-06-07 2017-09-29 中国电子科技集团公司第二十四研究所 一种用于电源模块端口的直流电阻快速测量电路
CN107796982A (zh) 2017-10-12 2018-03-13 郑州云海信息技术有限公司 一种实时监测psu电压的方法
KR20180066684A (ko) 2016-12-09 2018-06-19 삼성에스디아이 주식회사 전원 평가 장치
DE112016005441T5 (de) 2015-12-25 2018-08-09 Hitachi Automotive Systems, Ltd. Elektronische Vorrichtung
CN108491058A (zh) 2018-04-03 2018-09-04 郑州云海信息技术有限公司 一种非易失性内存的异常掉电数据保护方法及装置
US20210278453A1 (en) * 2020-03-06 2021-09-09 Siemens Industry, Inc. Nuisance arc fault circuit interrupter (afci) circuit breaker tripping diagnostic tool

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5335221Y2 (zh) * 1973-05-11 1978-08-29

Patent Citations (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2645753A (en) * 1948-10-01 1953-07-14 Dutschke Kurt Test device
US3551804A (en) * 1968-10-28 1970-12-29 Vernon W Weddle Method and apparatus for sonic detection of open breaks in overhead telephone cables
JPS4854519U (zh) 1971-10-21 1973-07-13
US4333049A (en) 1979-05-21 1982-06-01 Takamisawa Cybernetics Co., Ltd. Inrush current measuring apparatus with instantaneous power interruption device
JPH0270223A (ja) 1988-09-01 1990-03-09 Fujitsu Ltd 電源警報回路
JP2001352674A (ja) 2000-06-08 2001-12-21 Nec Corp 電源回路
CN2519288Y (zh) 2001-12-05 2002-10-30 刘英彰 电源供应器的测试治具
CN101144851A (zh) 2006-09-13 2008-03-19 鸿富锦精密工业（深圳）有限公司 电源供应器检测装置
US20080112099A1 (en) * 2006-11-14 2008-05-15 Shanghai Ele Manufacturing Corp. ground-fault circuit interrupter
US7952488B1 (en) 2008-10-31 2011-05-31 Netapp, Inc. Method and system for monitoring latent faults in power supplies
TW201020564A (en) 2008-11-18 2010-06-01 Weltrend Semiconductor Inc Short-circuit detecting device for a power supply device
US8461492B1 (en) * 2008-12-11 2013-06-11 Ciriaco N. Briones, Jr. Emergency shut-off system for a cooking appliance and method of use thereof
CN101464499A (zh) 2009-01-14 2009-06-24 浪潮电子信息产业股份有限公司 一种具有声光报警的计算机电源的设计方法
CN102073020A (zh) 2009-11-19 2011-05-25 鸿富锦精密工业（深圳）有限公司 电源测试装置
US8482297B2 (en) 2010-01-18 2013-07-09 Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. System for testing power supply performance
CN102129047A (zh) 2010-01-18 2011-07-20 鸿富锦精密工业（深圳）有限公司 电源供应器测试装置
US20110175640A1 (en) 2010-01-18 2011-07-21 Hon Fu Jin Precision Industry (Shenzhen) Co., Ltd. System for testing power supply performance
CN102375128A (zh) 2010-08-02 2012-03-14 康舒科技股份有限公司 服务器电源供应***的异常检测方法及装置
CN103718055A (zh) 2011-07-28 2014-04-09 伊顿公司 用于使用ac剩余电流检测在dc电源中进行故障检测的***和装置
US20130158931A1 (en) 2011-12-17 2013-06-20 Hon Hai Precision Industry Co., Ltd. Voltage testing device
CN103163488A (zh) 2011-12-17 2013-06-19 鸿富锦精密工业（深圳）有限公司 电压测试装置
WO2013128851A1 (ja) 2012-02-29 2013-09-06 パナソニック株式会社 車載用充電装置
US20130249576A1 (en) 2012-03-22 2013-09-26 Hon Hai Precision Industry Co., Ltd. Power supply unit testing system
CN103529403A (zh) 2012-07-03 2014-01-22 伊顿公司 一种指示ups状态的方法和装置
CN103901355A (zh) 2012-12-29 2014-07-02 鸿富锦精密工业（深圳）有限公司 电源测试电路
US20140184265A1 (en) 2012-12-29 2014-07-03 Hon Hai Precision Industry Co., Ltd. Test circuit for power supply unit
US20140253101A1 (en) 2013-03-06 2014-09-11 Shiguo Luo System and method of measuring real-time current
US9122472B2 (en) 2013-03-06 2015-09-01 Dell Products L.P. System and method of measuring real-time current
JP2014211382A (ja) 2013-04-19 2014-11-13 株式会社ハイレックスコーポレーション センサ装置
JP2015035849A (ja) 2013-08-07 2015-02-19 日産自動車株式会社 電源装置
US20150067378A1 (en) 2013-08-30 2015-03-05 Fujitsu Limited Measuring apparatus, measuring method, and measuring system
US20150372416A1 (en) * 2014-06-20 2015-12-24 Icon Health & Fitness, Inc. Adapter with an Electronic Filtering System
CN104198852A (zh) 2014-08-28 2014-12-10 成都凯天电子股份有限公司 综合记录器测试***
KR101625919B1 (ko) 2014-11-24 2016-05-31 삼성중공업 주식회사 전력변환장치의 시험장치
CN104735591A (zh) 2015-03-30 2015-06-24 天地融科技股份有限公司 音频接口适配电路与电子装置
US9910103B2 (en) 2015-12-01 2018-03-06 Dell Products, L.P. Safety-compliant PSU fault diagnosis mechanism to reduce PSU field returns
US20170153294A1 (en) 2015-12-01 2017-06-01 Dell Products, L.P. Safety-compliant psu fault diagnosis mechanism to reduce psu field returns
DE112016005441T5 (de) 2015-12-25 2018-08-09 Hitachi Automotive Systems, Ltd. Elektronische Vorrichtung
US20200088808A1 (en) 2015-12-25 2020-03-19 Hitachi Automotive Systems, Ltd. Electronic device
CN105488927A (zh) 2016-01-18 2016-04-13 深圳市共济科技有限公司 一种微模块机房的声光报警装置及其***
US20170205471A1 (en) 2016-01-20 2017-07-20 Test Research, Inc. Test device and alternating current power detection method of the same
CN105867572A (zh) 2016-04-26 2016-08-17 浪潮(北京)电子信息产业有限公司 一种整机柜服务器电源管理方法及整机柜服务器
CN205679718U (zh) 2016-06-17 2016-11-09 成都航利电气有限公司 发动机电缆故障诊断***
CN106292986A (zh) 2016-08-08 2017-01-04 浪潮电子信息产业股份有限公司 一种服务器电源psu故障确定方法及装置
KR20180066684A (ko) 2016-12-09 2018-06-19 삼성에스디아이 주식회사 전원 평가 장치
CN106776169A (zh) 2016-12-12 2017-05-31 郑州云海信息技术有限公司 一种测试服务器的psu的方法及装置
CN106950511A (zh) 2017-03-31 2017-07-14 国家电网公司 一种直流电源***标准化测试接口装置
CN107092334A (zh) 2017-04-21 2017-08-25 广东浪潮大数据研究有限公司 一种服务器电源装置故障定位的方法
CN107219402A (zh) 2017-06-07 2017-09-29 中国电子科技集团公司第二十四研究所 一种用于电源模块端口的直流电阻快速测量电路
CN107796982A (zh) 2017-10-12 2018-03-13 郑州云海信息技术有限公司 一种实时监测psu电压的方法
CN108491058A (zh) 2018-04-03 2018-09-04 郑州云海信息技术有限公司 一种非易失性内存的异常掉电数据保护方法及装置
US20210278453A1 (en) * 2020-03-06 2021-09-09 Siemens Industry, Inc. Nuisance arc fault circuit interrupter (afci) circuit breaker tripping diagnostic tool

Non-Patent Citations (7)

* Cited by examiner, † Cited by third party
Title
European Patent Office, Extended European Search Report Issued in Application No. 19876715.4, dated Dec. 7, 2021, Germany, 9 pages.
ISA State Intellectual Property Office of the People's Republic of China, International Search Report Issued in Application No. PCT/CN2019/111020, dated Jan. 19, 2020, WIPO, 6 pages.
ISA State Intellectual Property Office of the People's Republic of China, Written Opinion of the International Searching Authority Issued in Application No. PCT/CN2019/111020, dated Jan. 19, 2020, WIPO,9 pages.
Japanese Patent Office Action, Office Action issued in Application No. 2021-517047, dated Apr. 5, 2022, 8 pages.
Japanese Patent Office Action, Office Action Issued in Application No. 2021-517047, dated Sep. 6, 2022, 4 pages.(Submitted with Machine Translation).
State Intellectual Property Office of the People's Republic of China, Office Action and Search Report Issued in Application No. 2018112446079, dated Apr. 1, 2020, 13 pages. (Submitted with Machine Translation).
State Intellectual Property Office of the People's Republic of China, Office Action and Search Report Issued in Application No. 2018112446079, dated Oct. 14, 2020, 8 pages. (Submitted with Translation).

Also Published As

Publication number Publication date
EP3872510A1 (en) 2021-09-01
CN110488205A (zh) 2019-11-22
JP7220282B2 (ja) 2023-02-09
US20210356530A1 (en) 2021-11-18
CN110488205B (zh) 2021-02-26
EP3872510B1 (en) 2024-06-26
EP3872510A4 (en) 2022-01-05
WO2020083061A1 (zh) 2020-04-30
JP2022501601A (ja) 2022-01-06

Similar Documents

Publication Publication Date Title
US11719757B2 (en) Fault recognition
CN103713255B (zh) 一种电路故障检测方法、***以及控制器
US9461455B2 (en) Protecting circuit
CN106855695B (zh) 机器人安全控制***及方法
US20120098461A1 (en) Power supply detecting circuit
CN106911187B (zh) 一种宽电压电源控制电路
CN103163419B (zh) 电缆芯校对和变压器跳闸出口校对用指示器及校对方法
US11422604B2 (en) Device, cabinet, and method for preventing power outage of entire cabinet
CN105259497A (zh) 一种断路器电弧故障断路***及方法
US10816609B2 (en) Open circuit detection for vehicle power system
US11588316B2 (en) Circuit with timing function and leakage protection plug
US20170310535A1 (en) Diagnosis method and diagnostic device for a network
CN109688679B (zh) 故障原因的确定方法及装置
WO2015184737A1 (zh) 供电处理方法及装置、电源
CN106154093A (zh) 一种断路器检测工装
CN107995000B (zh) 一种供电检测方法及设备
CN204495946U (zh) 断路器检测工装
CN109359006B (zh) 控制器的监控方法、装置、控制芯片、控制器和空调
CN203455419U (zh) 相序检测装置
WO2021249496A1 (zh) 一种供电检测装置、方法及其计算机程序产品
CN113702758B (zh) 一种变电站母线的失压检测方法及相关装置
CN109450653B (zh) 一种以太网供电保护方法及装置
KR102006843B1 (ko) 정류기 다이오드의 고장 검출이 가능한 배터리 충전기
CN221148820U (zh) 一种pcm测试电路和测试装置
CN105759192B (zh) 测试电路、通讯基站、新能源发电站、电学设备、人工智能机器人、智能家居、智能电动车

Legal Events

Date Code Title Description
AS Assignment

Owner name: NEW H3C TECHNOLOGIES CO., LTD., CHINA

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:YANG, PING;YAN, CHUNXI;ZHOU, MUZI;REEL/FRAME:055991/0280

Effective date: 20210204

FEPP Fee payment procedure

Free format text: ENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: BIG.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

STPP Information on status: patent application and granting procedure in general

Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION

STPP Information on status: patent application and granting procedure in general

Free format text: PUBLICATIONS -- ISSUE FEE PAYMENT VERIFIED

STCF Information on status: patent grant

Free format text: PATENTED CASE